82804365435017 has 4 divisors (see below), whose sum is σ = 82804513380420. Its totient is φ = 82804217489616.

The previous prime is 82804365434981. The next prime is 82804365435019. The reversal of 82804365435017 is 71053456340828.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41295995030416 + 41508370404601 = 6426196^2 + 6442699^2 .

It is a cyclic number.

It is not a de Polignac number, because 82804365435017 - 2³² = 82800070467721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82804365435019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73129958 + ... + 74253615.

It is an arithmetic number, because the mean of its divisors is an integer number (20701128345105).

Almost surely, 2^{82804365435017} is an apocalyptic number.

It is an amenable number.

82804365435017 is a deficient number, since it is larger than the sum of its proper divisors (147945403).

82804365435017 is a wasteful number, since it uses less digits than its factorization.

82804365435017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147945402.

The product of its (nonzero) digits is 19353600, while the sum is 56.

The spelling of 82804365435017 in words is "eighty-two trillion, eight hundred four billion, three hundred sixty-five million, four hundred thirty-five thousand, seventeen".